Auth bypass in Geutebrück E2 Series
CVE-2021-33543
Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated remote access to sensitive files due to default user authentication settings. This can lead to manipulation of the device and denial of service.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.813 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.813 · newest: 0.813 · change: 0.000
Affected products
- Geutebrück E2 Series — versions EBC-21xx 1.12.13.2, EBC-21xx 1.12.14.5, EFD-22xx 1.12.13.2
- Geutebrück Encoder G-Code — versions EEC-2xx 1.12.13.2, EEC-2xx 1.12.14.5, EEN-20xx 1.12.13.2
- Geutebrueck G-Cam Ebc-2110
- Geutebrueck G-Cam Ebc-2110 Firmware — versions 1.12.13.2, 1.12.14.5
- Geutebrueck G-Cam Ebc-2111
- Geutebrueck G-Cam Ebc-2111 Firmware — versions 1.12.13.2, 1.12.14.5
- Geutebrueck G-Cam Ebc-2112
- Geutebrueck G-Cam Ebc-2112 Firmware — versions 1.12.13.2, 1.12.14.5
- Geutebrueck G-Cam Efd-2241
- Geutebrueck G-Cam Efd-2241 Firmware — versions 1.12.13.2, 1.12.14.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/ (Exploit, Third Party Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-208-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33543?
- CVE-2021-33543 is a critical-severity vulnerability in Geutebrück E2 Series, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-09-13.
- How severe is CVE-2021-33543?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-33543 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.